Pulido, A.; Concepción Heydorn, P.; Boronat Zaragoza, M.; Botas, C.; Alvarez, P.; Menendez, R.; Corma Canós, A. (2012). Reconstruction of the carbon sp2 network in graphene oxide by low-temperature reaction with CO. Journal of Materials Chemistry. 22(1):51-56. https://doi.org/10.1039/C1JM14514B
Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10251/31744
Title:
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Reconstruction of the carbon sp2 network in graphene oxide by low-temperature reaction with CO
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Author:
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Pulido, Angeles
Concepción Heydorn, Patricia
Boronat Zaragoza, Mercedes
Botas, C.
Alvarez, P.
Menendez, R.
Corma Canós, Avelino
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UPV Unit:
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Universitat Politècnica de València. Departamento de Química - Departament de Química
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Issued date:
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Abstract:
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[EN] Low-temperature (-176 degrees C) CO adsorption on graphene oxide and partially reduced graphene oxide sheets was investigated in a combined IR spectroscopic and DFT study. The reactivity of the carbon vacancies in the ...[+]
[EN] Low-temperature (-176 degrees C) CO adsorption on graphene oxide and partially reduced graphene oxide sheets was investigated in a combined IR spectroscopic and DFT study. The reactivity of the carbon vacancies in the network was observed to be extremely high, causing the CO molecules to dissociate in a barrier-less process that leads to the reconstruction of the sp(2) graphene network. After the adsorption of CO on the graphene oxide materials, the intensity of the FTIR bands is lower in the case of partially reduced graphene oxide sheets, indicating that there are fewer active sites available for CO interaction.
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Subjects:
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Exfoliated Graphite Oxide
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X-Ray Photoelectron
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Electronic-Properties
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Aqueous Dispersions
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Raman-Spectroscopy
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Reduction
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Sheets
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Evolution
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Films
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Nanosheets
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Copyrigths:
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Cerrado |
Source:
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Journal of Materials Chemistry. (issn:
0959-9428
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DOI:
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10.1039/C1JM14514B
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Publisher:
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Royal Society of Chemistry
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Project ID:
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info:eu-repo/grantAgreement/MICINN//CSD2009-00050/ES/Desarrollo de catalizadores más eficientes para el diseño de procesos químicos sostenibles y produccion limpia de energia/
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Thanks:
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The authors thank the Spanish Science and Innovation Ministry (Consolider Ingenio 2010, Project MULTICAT, ref. CSD2009-00050) for their financial support, and Red Espanola de Supercomputacion (RES) and Centre de Calcul de ...[+]
The authors thank the Spanish Science and Innovation Ministry (Consolider Ingenio 2010, Project MULTICAT, ref. CSD2009-00050) for their financial support, and Red Espanola de Supercomputacion (RES) and Centre de Calcul de la Universitat de Valencia for offering computing facilities and technical assistance. P. A. and A. P. thank the Spanish Science and Innovation Ministry (Ramon y Cajal and Juan de la Cierva programs) and C. B. thanks FICYT for their grants. Special thanks to Pablo Ares from Nanotec Electronica (TM) for AFM contribution.
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Type:
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Artículo
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